[jdk17u-dev] RFR: 8309119: [17u/11u] Redo JDK-8297951: C2: Create skeleton predicates for all If nodes in loop predication [v3]

[Goetz Lindenmaier]

On Fri, 30 Jun 2023 06:19:20 GMT, Goetz Lindenmaier <goetz at openjdk.org> wrote:

>> …or all If nodes in loop predication
>> 
>> Redo of above change. 
>> The patch of 8308884 applied clean with -R.
>> Test passes.
>> 
>> I'll backport JDK-8307683, too.
>
> Goetz Lindenmaier has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains two additional commits since the last revision:
> 
>  - Merge branch 'openjdk:master' into goetz_8309119
>  - 8309119: [17u/11u] Redo JDK-8297951: C2: Create skeleton predicates for all If nodes in loop predication

I will push this only after 8307683. 
These two changes have a conflict. When pushing this, I will have 
to resolve the renaming of variable proj to if_success_proj in this change.

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PR Comment: https://git.openjdk.org/jdk17u-dev/pull/1497#issuecomment-1624791977